330540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{787}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 1059072

約数和(自身を除く): 728532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 787, 1574, 2361, 3148, 3935, 4722, 5509, 7870, 9444, 11018, 11805, 15740, 16527, 22036, 23610, 27545, 33054, 47220, 55090, 66108, 82635, 110180, 165270, 330540]

約数ペア:

[(1, 330540), (2, 165270), (3, 110180), (4, 82635), (5, 66108), (6, 55090), (7, 47220), (10, 33054), (12, 27545), (14, 23610), (15, 22036), (20, 16527), (21, 15740), (28, 11805), (30, 11018), (35, 9444), (42, 7870), (60, 5509), (70, 4722), (84, 3935), (105, 3148), (140, 2361), (210, 1574), (420, 787)]